Based on extensive knowledge of aquarium heater production these Deltatherm Heaters are extremely reliable and offer you a combination of peace of mind good value for money and reliability.

These Deltatherm Heaters feature extra thickened safety glass a new positive click-control for temperature adjustment and a plastic endcap for added safety.

These Deltatherm Heaters are suitable for the following sized aquariums:
100W - up to 61cm (45-90 litres)
150W - up to 76cm (68-135 litres)
300W - up to 122cm (135-270cm)